Villain is in the SB running 17/10 over ~100 hands.
I'm running 24/21 but haven't shown anything much down yet. My attempt to steal is at 35%
I don't know if villain is observant enough to know this.

Party Poker No-Limit Hold'em, $1 BB (6 handed) Party-Poker Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($112.57)
MP ($362.84)
CO ($104.48)
Hero ($105.65)
SB ($124.71)
BB ($135.91)

Preflop: Hero is Button with K, K.
3 folds, Hero raises to $4, SB calls $3.50, 1 fold.

Flop: ($9) 8, T, Q (2 players)
SB checks, Hero bets $9, SB calls $9.

Turn: ($27) J (2 players)
SB checks, Hero???

Two parts to this - first, are you betting this turn again, now one of the draws has completed, or checking behind with our 6/8 outs?